You must first read and understand the warningsand instructions contained in this manual beforeperforming any operation or maintenanceprocedures.Walk-Around InspectionWhen checking the specific components or areas onthe machine, be alert for oil or fuel leaks, loose ormissing fasteners, filler caps, or identification/safetyplates, and cracked or bent components. Have UnitMaintenance make any needed repairs beforeoperating the machine.NOTE: Army operators should perform the OperatorsPreventive Maintenance Checks and Services(OPMCS) before operating the machine. Refer toAppendix A in this manual for the check list.UndercarriageClean away any dirt and debris that has accumulatedin the undercarriage area, then inspect the followingcomponents. Drive BeltsHave Unit Maintenance replace belts (1) if any of thefollowing conditions are met: More than two guide blocks (2) in a row are missing. More than 12 guide blocks (2) (one quarter of thetotal number) are missing. Belt (1), including internal cables, is severed morethan 40 percent of the width of the track, at anylocation.Midrollers and IdlersHave Unit Maintenance repair or replace idler (3) ormidroller (4) if the following conditions are met: Oil is leaking enough to form drops. More than 50 percent of the rubber is missing fromany midroller (4) or more than 25 percent of therubber is missing from any idler (3). There are loose or missing bolts.Swing ArmsCheck swing arm pivot joints (5) for loose or missingbolts.53412Every 10 Service Hours or Daily112Maintenance SectionEvery 10 Service Hours or DailyTM5-2430-200-10